交通事故频繁发生，许多人深受其害。
The traffic accidents happen frequently and people suffer a lot from it.
随着城市化速度的加快，机动车日益普及，使得交通拥挤日趋严重，交通事故频繁发生。
With the acceleration of urbanization, the growing popularity of motor vehicles, traffic congestions are becoming more serious and traffic accidents occur more frequently.
针对酒后驾车导致交通事故频繁发生的现象，设计了一种能够防止酒后驾驶的自动控制系统。
Aimed at the increasing accidents caused by drunk driving, a anti drunk-driving control system is designed.
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